From a8e55eeff4664399534426949f345440394f63ed Mon Sep 17 00:00:00 2001
From: daviddoji <daviddoji@pm.me>
Date: Mon, 13 Jun 2022 21:15:01 +0200
Subject: [PATCH] Solution to problem 11 in Python

---
 src/Year_2015/P11.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Year_2015/P11.py b/src/Year_2015/P11.py
index 4d93578..949fa48 100644
--- a/src/Year_2015/P11.py
+++ b/src/Year_2015/P11.py
@@ -57,15 +57,16 @@ def rule_1(chars: list[str]) -> bool:
 
 
 def rule_2(chars: list[str], pos: int) -> list[str]:
-    # not contain the letters i, o, or l
+    # try with next letter
     a = ord(chars[pos]) + 1
-    # rule # 2
+    # not contain the letters i, o, or l
     if a in forbidden_chars:
         a += 1
     # wraps around to a
     if a > 122:
         a = 97
         chars[pos] = chr(a)
+        # change now previous letter also
         rule_2(chars, pos - 1)
     else:
         chars[pos] = chr(a)